MBRP

MBRP 4in T304 Filter Back Exhaust 2020-2025 GM 6.6L Duramax L5P

SKU: mbrpS6059304 UPC: 882963128690
In stock - 10 items available
$667.05

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

The MBRP S6059304 is MBRP's top-tier 4-inch filter-back system for the L5P Duramax, built end to end from T304 stainless steel. It starts at the factory DPF outlet, eliminates the factory muffler for a fuller tone, and leaves all emissions equipment in place.

Key Features

  • 4-inch mandrel-bent T304 stainless tubing throughout
  • Eliminates the factory muffler while retaining the DPF
  • Single side exit with a 5-inch T304 stainless tip included
  • Tour Profile sound tuning
  • Bolt-on to the OEM hangers, all clamps included
  • MBRP Armor Pro series, backed by a lifetime warranty

Fitment

2020-2025 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD with the 6.6L Duramax L5P. Extended Cab and Crew Cab pickups. Not designed for Cab and Chassis models.

Product Details

  • Manufacturer Part Number: S6059304
  • Brand: MBRP
  • Series: Armor Pro (formerly Pro Series)
  • System Type: DPF-back / filter back
  • Tubing Size: 4 inch
  • Material: T304 stainless steel
  • Warranty: Lifetime

T304 is the most corrosion-resistant grade MBRP offers, which makes it the sensible choice for trucks that see road salt, wet climates or heavy washing.

Shipping Height: 11.8

Shipping Length: 46.5

Shipping Width: 16.7

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